Tales Rocha Cerdeira (born January 21, 1987) is a Brazilian swimmer.

[6] At the 2010 FINA World Swimming Championships (25 m) held in Dubai, Tales came in 9th place in the 200-metre breaststroke race.

[7] In World Military Games conducted in 2010 in Warendorf, Germany, won the gold medal in the 50-metre, 100-metre, 200-metre breaststroke and 4×100-metre medley.

[12] He joined the national delegation that disputed the 2011 Pan American Games, in Guadalajara, going to the final and finishing in 5th place in the 200-metre breaststroke.

[15] At the 2016 Summer Olympics, he competed in the Men's 200-metre breaststroke, finishing in 29th place overall in the heats.